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Performance Exhausts & Accessories
SpeedTech
Porsche 991 Exhaust
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Tel: (603) 464-3235
Fax: (603) 464-3236
Toll Free: 1-855-630-7807
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Contact
Exhaust
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 993
Exhaust
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996
Exhaust
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997.1TT
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986
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987
Exhaust
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991TT
The Speed Technologies 991 exhaust system is designed to offer the discerning Porsche enthusiast the ultimate exhaust system with proven performance gains and fantastic exotic sound. We employ a full 2.5" design with no restriction at the tips, such as all systems utilizing OEM tips.

Our "True-X" center design provides an exotic GT3-like sound, while eliminating resonance and is the key to developing a truly fantastic exhaust note!

System includes:

Speedtech provides a Lifetime warranty of manufacturing defects for original owner.

991 X-Flow Exhaust System
The Speed Technologies 991 Center Muffler Delete X-Pipe is designed to replace the center muffler for an improvement in the OEM exhaust sound. Our Center Muffler Delete X-Pipe will enable a slight increase in the volume of the exhaust over the OEM exhaust, as well as some weight reduction and a much improved overall sound and tone!

Our "Center Muffler Delete X-Pipe" provides an exotic tuned sound, while eliminating unwanted resonance. It's very comfortable in the cabin of the vehicle, yet very sporty on the outside!

System includes:

Speedtech provides a Lifetime warranty of manufacturing defects for original owner.

991 Center Muffler Delete X-Pipe
Video - 991 Center Muffler Delete X-Pipe
Full Exhaust System - It sounds GREAT! IMO, it is the right amount of sound under load and cruising. Of course the slight backpressure burble is in there as well. I donít know why anyone would drop 1K or more on another system. Itís difficult to stop driving because it sounds so glorious!

A.P., Michigan
991 Customer Comments
997.1 Exhaust
997.2 Exhaust
997 GT3 Exhaust
ECU Tune / Flash
Coils
997
981 Exhaust
ECU Tune / Flash
981
Exhaust
ECU Tune
Y-Pipe
Mesh Grills
Fresh Air Intake Plenum & Turbo Inlet Pipes
Clutch Upgrades
GT2 Clutch Conversion
75mm Throttle Body / IPD Plenum Upgrades
Coils
Fuel Injectors
Wastegates
Intercoolers
996TT
981 Exhaust System w/ Sound Valves - This exhaust is on my 981 Cayman S and it blows my mind. One of the best of exhausts i have ever owned on any of my cars. Jeff S.

 It is one of the best exhausts I've ever heard. Speedtech nailed it with this one. It's very exotic sounding and plenty of snap, crackle and pop! Steve B.





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The Speed Technologies 991 Switch-X exhaust system is designed to provide an improved exhaust note for the discerning Porsche enthusiast that desires a louder, non-restrictive performance exhaust. It's a high quality, lightweight exhaust with no baffles or restrictions whatsoever. This system features T304 stainless steel construction, a plug & play valved system for PSE cars and in-line resonators for refined sound characteristics. Perfect fit to OEM components.

Designed for PSE cars where "improved sound and performance" is desired.

991 Switch-X Exhaust
991.1 Exhaust
991.2 Exhaust
ECU Tune / Flash
991
Video - 991 X-Flow Exhaust
Video - 991 Switch-X Pipe
OEM PSE Style X-Pipe Exhaust